OOP – Page 30 – Sharp: NCLEX, Java & Python

Java: Fields and State

Why should fields in a Java class typically be private?

How does state affect object behavior in Java?

What are the consequences of poor field design in Java?

What distinguishes fields from local variables in Java?

Why might a CartItem class include a Product field?

Why can all public fields in a class become a problem in practice?

How would you explain the 'this' keyword used for in a Java interview?

What role do getters play in encapsulation?

Why might you use a method instead of a setter to update a field?

Why avoid making fields public in Java classes?